/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* interface header */
#include "CustomGroup.h"

/* system headers */
#include <sstream>
#include <string>
#include <string.h>

/* common headers */
#include "global.h" // for CtfTeams
#include "ObstacleMgr.h"
#include "ParseColor.h"
#include "PhysicsDriver.h"
#include "BzMaterial.h"


CustomGroup::CustomGroup(const std::string& groupdef)
{
    group = new GroupInstance(groupdef);
    if (groupdef.size() <= 0)
        std::cout << "warning: group instance has no group definition" << std::endl;
    return;
}


CustomGroup::~CustomGroup()
{
    delete group;
    return;
}


bool CustomGroup::read(const char *cmd, std::istream& input)
{

    if (strcmp(cmd, "team") == 0)
    {
        int team;
        if (!(input >> team) || (team < 0) || (team >= CtfTeams))
        {
            std::cout << "bad team specification" << std::endl;
            return false;
        }
        else
            group->setTeam(team);
    }
    else if (strcasecmp(cmd, "tint") == 0)
    {
        float tint[4];
        if (!parseColorStream(input, tint))
        {
            std::cout << "bad " << cmd << " specification" << std::endl;
            return false;
        }
        else
            group->setTint(tint);
    }
    else if (strcasecmp(cmd, "phydrv") == 0)
    {
        std::string drvname;
        if (!(input >> drvname))
        {
            std::cout << "missing Physics Driver parameter" << std::endl;
            return false;
        }
        int phydrv = PHYDRVMGR.findDriver(drvname);
        if ((phydrv == -1) && (drvname != "-1"))
            std::cout << "couldn't find PhysicsDriver: " << drvname << std::endl;
        else
            group->setPhysicsDriver(phydrv);
    }
    else if (strcasecmp(cmd, "matref") == 0)
    {
        std::string materialName;
        if (!(input >> materialName))
            std::cout << "missing matref parameter" << std::endl;
        const BzMaterial* matref = MATERIALMGR.findMaterial(materialName);
        if ((matref == NULL) && (materialName != "-1"))
        {
            std::cout << "couldn't find reference material: " << materialName
                      << std::endl;
        }
        else
            group->setMaterial(matref);
    }
    else if (strcasecmp(cmd, "matswap") == 0)
    {
        std::string srcName;
        std::string dstName;
        if (!(input >> srcName) || !(input >> dstName))
            std::cout << "missing matswap parameter" << std::endl;
        const BzMaterial* srcMat = MATERIALMGR.findMaterial(srcName);
        const BzMaterial* dstMat = MATERIALMGR.findMaterial(dstName);
        if (srcMat == NULL)
        {
            std::cout << "couldn't find matswap source: " << srcName
                      << std::endl;
        }
        else if (dstMat == NULL)
        {
            std::cout << "couldn't find matswap destination: " << dstName
                      << std::endl;
        }
        else
            group->addMaterialSwap(srcMat, dstMat);
    }
    else if (!WorldFileObstacle::read(cmd, input))
        return false;

    return true;
}


void CustomGroup::writeToGroupDef(GroupDefinition *grpdef) const
{
    // include the old style parameters
    MeshTransform xform;
    if ((size[0] != 1.0f) || (size[1] != 1.0f) || (size[2] != 1.0f))
        xform.addScale(size);
    if (rotation != 0.0f)
    {
        const float zAxis[3] = {0.0f, 0.0f, 1.0f};
        xform.addSpin(rotation * RAD2DEGf, zAxis);
    }
    if ((pos[0] != 0.0f) || (pos[1] != 0.0f) || (pos[2] != 0.0f))
        xform.addShift(pos);
    xform.append(transform);

    group->setTransform(xform);


    if (driveThrough)
        group->setDriveThrough();
    if (shootThrough)
        group->setShootThrough();
    if (ricochet)
        group->setCanRicochet();

    group->setName(name);

    // make the group instance
    if (group->getGroupDef().size() > 0)
        grpdef->addGroupInstance(group);
    else
        delete group;
    group = NULL;

    return;
}


// Local variables: ***
// mode: C++ ***
// tab-width: 4***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
